Hematuria is the medical term for blood in your urine. Several different conditions and diseases can cause hematuria. These include infections, kidney disease, cancer, and rare blood disorders. The blood may be visibl...

Kidney stones, or renal calculi, are solid masses made of crystals. Kidney stones originate in your kidneys, but can be found at any point in your urinary tract. The urinary tract includes the kidneys, ureters, bladder...

Obstructive uropathy is a condition in which your urine flow reverses direction. Instead of flowing from the kidneys to the bladder, the urine "refluxes" back into the kidneys. Reflux literally means "a flowing back o...

Benign enlargement of the prostate is a common condition in which your prostate gland swells beyond normal size. It is also known as benign prostatic hyperplasia. If you have this disorder, keep in mind that it i...

The urinary tract consists of the kidneys, ureters (which connect the kidneys and the bladder), bladder, and urethra. Urinary tract infections (UTIs) can occur in any part of the urinary tract. Most UTIs are caused b...

Urethritis is a condition that affects the urethra. The urethra is the tube that carries urine from the bladder so it can be expelled from the body. Semen also passes through the male urethra. The core cause o...

Pyelonephritis is a sudden and severe kidney infection. This condition causes the kidneys to swell, can permanently damage the kidneys, and can even be life threatening. It is important to recognize the symptoms so yo...

Bladder stones are crystallized minerals that form when concentrated urine (less water and more waste products) is left in the bladder after urination. About 95 percent of urine is water. The other five percent i...

Bladder cancer occurs in the tissues of the bladder, which is the organ in the body that holds urine. Approximately 45,000 men and 17,000 women per year are diagnosed with the disease.The exact cause of bladder cance...

Polycystic kidney disease (PKD) is an inherited kidney disorder. It causes fluid-filled cysts to form in the kidneys. PKD may impair kidney function and cause kidney failure. According to the University of Chicag...

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